Question

---He_____ attend at the meeting.
--- But in fact he didn’t come.
A. is suppose to        B. was suppose to  C. was supposed to

Answer 1

C

试题分析：句意：他应该出席这个会议。——但是实际上他没有来。可知上文描述的是过去发生的动作，故用过去时态，他是被期望的对象，用完成时态，选C。
点评：被动语态be supposed to已经成为一个固定结构,本句只要能根据上下文判断出上文时态即可.